Video Pcb - Daewoo DP-42SM Service Manual

42” plasma pdp monitor

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Table of Contents

Description Of Each BLOCK

4-1-2.VIDEO PCB

- PROCESS Various Signal (PC, COMPONENT, COMPOSITE ) to produce 24BIT DIGITAL

output

(1) IC and TP

(1) IC400(UPD64083)

-Using 3D COMBFILTER to separate COMPOSITE signal to Brightness

Signal(Y) and Color Signal(C)

*TP ( Input : COLOR BAR PATTERN )

A. YCOMP : Brightness Signal(Y)

B. CCOMP : Color Signal (C)

(2) IC401 (SAA7118E)

-Receive NTSC, SECAM, PAL VIDEO by COMPOSITE(V) , S-VHS(Y.C)

COMPONENT (Y Cb Cr) and process signal

*TP

A. DECOE : CHIP ENABLE part. When signal process is done by IC401, DC 3.3V is

measured.

-10-

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